JPS648087U

JPS648087U -

Info

Publication number: JPS648087U
Application number: JP9828187U
Authority: JP
Priority date: 1987-06-26
Filing date: 1987-06-26
Publication date: 1989-01-17

Description

[Brief explanation of the drawing]

第１図は本考案熱交換器冷却水流量制御装置の
一実施例の系統図、第２図は同上における熱交換
器の冷却水温度と必要冷却水量割合との関係を示
す線図である。第３図は従来の熱交換器冷却水流
量制御装置の系統図、第４図は同上における熱交
換器の負荷量と除去熱量割合との関係を示す線図
である。１ａ，１ｎ……熱交換器、２……冷却水ポンプ
、３……モーター、４……回転数制御装置、５…
…温度センサー、６……温度調節計、７……温度
調節弁。 FIG. 1 is a system diagram of one embodiment of the heat exchanger cooling water flow rate control device of the present invention, and FIG. 2 is a diagram showing the relationship between the cooling water temperature of the heat exchanger and the required cooling water amount ratio in the same. FIG. 3 is a system diagram of a conventional heat exchanger cooling water flow rate control device, and FIG. 4 is a diagram showing the relationship between the load amount of the heat exchanger and the heat removal rate in the same. 1a, 1n... Heat exchanger, 2... Cooling water pump, 3... Motor, 4... Rotation speed control device, 5...
...Temperature sensor, 6...Temperature controller, 7...Temperature control valve.

Claims

[Scope of utility model registration request]

In a cooling water system where a single cooling water pump cools multiple heat exchangers with different heat removal rates,
A rotation speed control device attached to the cooling water pump and lowering the pump rotation speed until a set temperature is reached according to the cooling water outlet temperature of the heat exchanger with a small reduction rate of removed heat among the heat exchangers, and the heat exchanger A heat exchanger cooling water flow rate characterized by comprising a temperature control valve provided at a cooling water outlet of another heat exchanger having a large rate of reduction in removed heat amount and throttles the cooling water flow rate according to the temperature of the cooling water. Control device.